The information of the changes of coastal line which cause the changes of the area was so needed for make a decision in the development with environment concept. The remote sensing technology is very potential used for monitoring the changes of area. The changes analysis is identification process which based on the time.
The research objective was study the changes of area use digital map for 1993 and Landsat multispectral image for 2002. The study area in the research is Gresik sub district Ujung Pangkah.
Supervised classification is used for analysis the changes of area and the verification using Bakosurtanal topographic map and ground truth data. The changes got by overlaying classification map with digital map.
The changes of the coastal line happened because of the sedimentation at Bengawan Solos estuary from Bakosurtanal RBI map for 1993 and Landsat image for 2002 time frame 9 years have changes about 2021047 Ha. And about the land use changes land use change happened at all class looks like add area of settlement class equal to 32862 Ha field area 45273 Ha embankment area 124523 Ha and forest area 61432 Ha. Degradation of area happen at farming area about 30055 Ha bushes area 4430 Ha and bare land area 23392 Ha.

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